179 lines
5.3 KiB
C++
179 lines
5.3 KiB
C++
/*************************************************************************
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*
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* $RCSfile: condition.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: pjunck $ $Date: 2004-11-03 09:09:46 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <salhelper/condition.hxx>
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#ifndef _OSL_TIME_H_
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#include <osl/time.h>
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#endif
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using namespace salhelper;
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/******************************************************************
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* *
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* Condition *
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* *
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******************************************************************/
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Condition::Condition(osl::Mutex& aMutex)
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: m_aMutex(aMutex),
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m_aCondition(osl_createCondition())
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{
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}
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Condition::~Condition()
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{
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osl_destroyCondition(m_aCondition);
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}
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/******************************************************************
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* *
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* ConditionModifier *
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* *
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******************************************************************/
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ConditionModifier::ConditionModifier(Condition& aCond)
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: m_aCond(aCond)
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{
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m_aCond.m_aMutex.acquire();
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}
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ConditionModifier::~ConditionModifier()
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{
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if(m_aCond.applies())
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osl_setCondition(m_aCond.m_aCondition);
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m_aCond.m_aMutex.release();
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}
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/******************************************************************
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* *
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* ConditionWaiter *
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* *
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******************************************************************/
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ConditionWaiter::timedout::timedout() {}
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ConditionWaiter::timedout::timedout(timedout const &) {}
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ConditionWaiter::timedout::~timedout() {}
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ConditionWaiter::timedout &
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ConditionWaiter::timedout::operator =(timedout const &) { return *this; }
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ConditionWaiter::ConditionWaiter(Condition& aCond)
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: m_aCond(aCond)
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{
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while(true) {
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osl_waitCondition(m_aCond.m_aCondition,0);
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m_aCond.m_aMutex.acquire();
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if(m_aCond.applies())
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break;
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else {
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osl_resetCondition(m_aCond.m_aCondition);
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m_aCond.m_aMutex.release();
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}
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}
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}
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ConditionWaiter::ConditionWaiter(Condition& aCond,sal_uInt32 milliSec)
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throw(
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ConditionWaiter::timedout
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)
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: m_aCond(aCond)
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{
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TimeValue aTime;
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aTime.Seconds = milliSec / 1000;
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aTime.Nanosec = 1000000 * ( milliSec % 1000 );
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while(true) {
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if( osl_waitCondition(m_aCond.m_aCondition,&aTime) ==
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osl_cond_result_timeout )
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throw timedout();
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m_aCond.m_aMutex.acquire();
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if(m_aCond.applies())
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break;
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else {
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osl_resetCondition(m_aCond.m_aCondition);
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m_aCond.m_aMutex.release();
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}
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}
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}
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ConditionWaiter::~ConditionWaiter()
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{
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if(! m_aCond.applies())
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osl_resetCondition(m_aCond.m_aCondition);
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m_aCond.m_aMutex.release();
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}
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